MVT多面体

MVT 支持多面体

源代码编辑器

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>MVT图层</title>
  <script src="https://webapi.amap.com/maps?v=2.0&key=您申请的key值&plugin=AMap.MapboxVectorTileLayer"></script>
    <style>
        html,
        body,
        #container {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
<div id="container"></div>
<script>
    var map = new AMap.Map('container', {
      	center: [116.468662, 39.986784],
      	zoom: 15,
      	pitch: 62,
        mapStyle: 'amap://styles/grey',
        showBuildingBlock: false,
        showIndoorMap: false,
        showLabel: false,
        viewMode: '3D',
   	});
    var mvtLayer = new AMap.MapboxVectorTileLayer({
        zIndex: 9,
        opacity: 1,
        url: 'https://restapi.amap.com/rest/lbs/geohub/tiles/mvt?key=您申请的key值&z=[z]&x=[x]&y=[y]&size=512&id=eeec9e44-bcaf-4a75-84f3-0498c7d3669a',
        dataZooms: [2, 20],
      	styles: {},
      });
 	var updateStyle = (hightlightIds = []) => {
        mvtLayer.setStyle({
          polyhedron: {
            sourceLayer: 'default',
            topColor: 'rgba(248,184,184,0.9)',
            sideCOlor: 'rgba(247,108,99,0.9)',
            visible: true,
            injection: hightlightIds,
            topColor: function ({ gid }, injection) {
              return injection.includes(gid) ? 'rgba(248,184,184,0.9)' : 'rgba(123,175,249,0.9)';
            },
            sideColor: function ({ gid }, injection) {
              return injection.includes(gid) ? 'rgba(247,108,99,0.9)' : 'rgba(6,66,238,0.9)';
            }
          },
          polygon: {
            sourceLayer: 'default',
            color: 'rgba(62,110,255,0.3)',
            borderColor: '#3E6EFF',
            borderWidth: 2,
            visible: true
          },
          line: {
            visible: false
          },
          point: {
            visible: false
          }
        })
    }
    updateStyle();
    map.add(mvtLayer);
  
    var getMvtIds = (features) => {
      const ids = new Set();
      for (const key in features) {
        const curFeature = features[key];
        if (curFeature.length > 0) {
          curFeature.forEach((item) => {
            ids.add(item.properties.gid);
          });
        }
      }
      return Array.from(ids);
    };
  	mvtLayer.on('click', (e) => {
      const ids = getMvtIds(e.features);
      updateStyle(ids);
    });

</script>
</body>
</html>

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